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How to test an SQL Update statement before running it?
...ffected by running a select using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you which rows will be updated:
SELECT *
FROM foo
WHERE col1 = 1
AND col2 = 'foobar';
...
What's the advantage of Logic-less template (such as mustache)?
...e, which made refactoring much harder, since you had your code scattered.
If you prevent logic in templates by design (like mustache does), you will be obliged to put the logic elsewhere, so your templates will end up uncluttered.
Another advantage is that you are forced to think in terms of separ...
Bootstrap 3 jquery event for active tab change
...
If you have to use the change event (regardless of the action from the link), simply use$(document).on('shown.bs.tab', function (e) { console.log('ae'); });
– Aline Matos
May 13 '16 at ...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...ject]". When following the steps from §9.3.1, we get NaN as a result:
If the grammar cannot interpret the String as an expansion of StringNumericLiteral, then the result of ToNumber is NaN.
Array(16).join("wat" - 1)
As per §15.4.1.1 and §15.4.2.2, Array(16) creates a new array with length 1...
How do I sort strings alphabetically while accounting for value when a string is numeric?
...
Pass a custom comparer into OrderBy. Enumerable.OrderBy will let you specify any comparer you like.
This is one way to do that:
void Main()
{
string[] things = new string[] { "paul", "bob", "lauren", "007", "90", "101"};
foreach (var thing in things.OrderBy(x => x, new SemiNumericCom...
How can I check a C# variable is an empty string “” or null? [duplicate]
...that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
6 Answers
...
MIN and MAX in C
Where are MIN and MAX defined in C, if at all?
14 Answers
14
...
How to access parent Iframe from JavaScript
Well, I have an IFrame, which calls a same domain page.
My problem is that I want to access some information from this parent Iframe from this called page (from JavaScript). How can I access this Iframe?
...
What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
...ber, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiver has loaded a class for the object that has a different serialVersi...
Array Size (Length) in C#
...
If it's a one-dimensional array a,
a.Length
will give the number of elements of a.
If b is a rectangular multi-dimensional array (for example, int[,] b = new int[3, 5];)
b.Rank
will give the number of dimensions (2) an...